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QH 3309-7 Hyperopia,myopia causes and corrective demonstrator

+86-574-65335615  

QH 3309-7 Hyperopia,myopia causes and corrective demonstrator

QH 3309-7
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QH 3309-7 Hyperopia, myopia causes and corrective demonstrator

This product is for teacher to demon the cause of hyperopia, myopia and correction, composed by base, light source, removable water lens, fixed water lens, removable focalizer, fixed lens focalizer, activities retina and optical simulation demo board. While in the process of teaching, not only to move lens position, and moving the focusing lens and a fixed focus lens to adjust the focal length of the lens.

暂未实现,敬请期待
暂未实现,敬请期待